Home / 20,704.49-28,572.19-11,273.06

Finding the Fourth Proportional to 20,704.49, 28,572.19 and 11,273.06

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Solution

The fourth proportional to 20,704.49, 28,572.19 and 11,273.06 is: 15,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704.49 : 28,572.19 = 11,273.06 : x
  2. Step 2: Convert to fraction form
    20,704.49/28,572.19 = 11,273.06/x
  3. Step 3: Cross multiply
    20,704.49x = 28,572.19 × 11,273.06
  4. Step 4: Simplify right side
    20,704.49x = 322,096,012.20
  5. Step 5: Solve for x
    x = 322,096,012.20/20,704.49
  6. Step 6: Final answer
    x = 15,556.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.